diff --git a/Binary/ReadMe.txt b/Binary/ReadMe.txt
index 1c02fd5a..447e3c35 100644
--- a/Binary/ReadMe.txt
+++ b/Binary/ReadMe.txt
@@ -17,6 +17,16 @@ released the directory is populated with the default output files.
 However, the output of custom builds will be placed in this directory 
 as well.
 
+If you only see a few files in this directory, then you downloaded just 
+the source from GitHub.  To retrieve the full release download package, 
+go to https://github.com/wwarthen/RomWBW.  On this page, look for the 
+text "XX releases" where XX is a number. Click on this text to go to the 
+releases page.  On this page, you will see the latest releases listed.  
+For each release, you will see a package file called something like 
+"RomWBW-2.9.0-Package.zip".  Click on the package file for the release 
+you want to download.
+
+
 ROM Firmware Images (<plt>_<cfg>.rom)
 -------------------------------------
 
diff --git a/ReadMe.txt b/ReadMe.txt
index e27ea152..f43f4536 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -7,7 +7,7 @@
 ***********************************************************************
 
 Wayne Warthen (wwarthen@gmail.com)
-Version 2.9.1-pre.7, 2018-08-28
+Version 2.9.1-pre.8, 2019-02-18
 https://www.retrobrewcomputers.org/
 
 RomWBW is a ROM-based implementation of CP/M-80 2.2 and Z-System for 
diff --git a/Source/HBIOS/dsrtc.asm b/Source/HBIOS/dsrtc.asm
index c4aaff9c..65b9a961 100644
--- a/Source/HBIOS/dsrtc.asm
+++ b/Source/HBIOS/dsrtc.asm
@@ -206,7 +206,9 @@ DSRTC_GETTIM:
 	LD	HL,DSRTC_TIMBUF		; SOURCE ADR
 	POP	DE			; DEST ADR
 	LD	BC,6			; LENGTH IS 6 BYTES
+	HB_IM1DI
 	CALL	HB_BNKCPY		; COPY THE CLOCK DATA
+	HB_IM1EI
 ;
 	; CLEAN UP AND RETURN
 	XOR	A			; SIGNAL SUCCESS
@@ -227,7 +229,9 @@ DSRTC_SETTIM:
 	LD	(HB_DSTBNK),A		; SET IT
 	LD	DE,DSRTC_TIMBUF		; DEST ADR
 	LD	BC,6			; LENGTH IS 6 BYTES
+	HB_IM1DI
 	CALL	HB_BNKCPY		; COPY THE CLOCK DATA
+	HB_IM1EI
 ;
 	; WRITE TO CLOCK
 	LD	HL,DSRTC_TIMBUF		; POINT TO TIME BUFFER
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 75acf220..786d6838 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -84,12 +84,24 @@ MODCNT	.SET	MODCNT + 1
 ;
 #IF (INTMODE == 0)
 ; NO INTERRUPT HANDLING
-#DEFINE	HB_DI	DI
-#DEFINE	HB_EI	;
-#ELSE
-; MODE 1 OR 2 INTERRUPT HANDLING
-#DEFINE	HB_DI	DI
-#DEFINE	HB_EI	EI
+#DEFINE	HB_DI		DI
+#DEFINE	HB_EI		;
+#DEFINE HB_IM1DI	;
+#DEFINE	HB_IM1EI	;
+#ENDIF
+#IF (INTMODE == 1)
+; MODE 1 INTERRUPT HANDLING
+#DEFINE	HB_DI		DI
+#DEFINE	HB_EI		EI
+#DEFINE HB_IM1DI	DI
+#DEFINE	HB_IM1EI	EI
+#ENDIF
+#IF (INTMODE == 2)
+; MODE 2 INTERRUPT HANDLING
+#DEFINE	HB_DI		DI
+#DEFINE	HB_EI		EI
+#DEFINE HB_IM1DI	;
+#DEFINE	HB_IM1EI	;
 #ENDIF
 ;
 ;
@@ -294,6 +306,7 @@ HBX_ROM:
 HBX_ROM:
 	RLCA				; TIMES 2 - GET 16K PAGE INSTEAD OF 32K
 	OUT	(MPGSEL_0),A		; BANK_0: 0K - 16K
+	;OUT	(DIAGP),A		; *DEBUG*
 	INC	A			;
 	OUT	(MPGSEL_1),A		; BANK_1: 16K - 32K
 	RET				; DONE
@@ -395,7 +408,7 @@ HBX_BC_ITER:
 	CALL	HBX_BNKSEL		; SWITCH TO DEST BANK
 	LDIR				; BUF (HL) -> DE, BC BYTES, DE UPDATED DEST ADR
 	POP	HL			; RECOVER UPDATED SRC ADR
-	; HL = UPD SRC, DE = UPD DEST, BC = 0
+	; HL = UPDATED SRC, DE = UPDATED DEST, BC = 0
 	RET
 ;
 ; CALL A ROUTINE IN ANOTHER BANK.
@@ -2001,10 +2014,21 @@ HB_TIMINT2:
 ; BAD INTERRUPT HANDLER
 ;
 HB_BADINT:
+
+#IF 0	; *DEBUG*
+	;LD	HL,HB_BADINTCNT
+	;INC	(HL)
+	;LD	A,(HL)
+	;OUT	(DIAGP),A
+	;OR	$FF
+	;RET
+;HB_BADINTCNT	.DB	0
+#ENDIF	; *DEBUG*
+
 	CALL	NEWLINE2
 	PRTS("+++ BAD INT: $")
 	CALL	_REGDMP
-	CALL	CONTINUE
+	;CALL	CONTINUE
 	OR	$FF			; SIGNAL INTERRUPT HANDLED
 	RET
 ;
diff --git a/Source/HBIOS/md.asm b/Source/HBIOS/md.asm
index d01d75c7..ff831f39 100644
--- a/Source/HBIOS/md.asm
+++ b/Source/HBIOS/md.asm
@@ -246,7 +246,9 @@ MD_RDSEC:
 	LD	A,B			; GET DESTINATION BANK
 	LD	(HB_DSTBNK),A		; SET IT
 	POP	BC
+	HB_IM1DI
 	CALL	HB_BNKCPY		; DO THE INTERBANK COPY
+	HB_IM1EI
 	XOR	A
 	RET
 ;
@@ -272,7 +274,9 @@ MD_WRSEC:
 	LD	A,B			; GET DESTINATION BANK
 	LD	(HB_DSTBNK),A		; SET IT
 	POP	BC
+	HB_IM1DI
 	CALL	HB_BNKCPY		; DO THE INTERBANK COPY
+	HB_IM1EI
 	XOR	A
 	RET
 ;
diff --git a/Source/HBIOS/simrtc.asm b/Source/HBIOS/simrtc.asm
index 33c79590..9be44518 100644
--- a/Source/HBIOS/simrtc.asm
+++ b/Source/HBIOS/simrtc.asm
@@ -71,7 +71,9 @@ SIMRTC_GETTIM:
 	LD	HL,SIMRTC_BUF		; SOURCE ADR
 	POP	DE			; DEST ADR
 	LD	BC,SIMRTC_BUFSIZ	; LENGTH
+	HB_IM1DI
 	CALL	HB_BNKCPY		; COPY THE CLOCK DATA
+	HB_IM1EI
 ;
 	LD	DE,60			; DELAY 60 * 16US = ~1MS
 	CALL	VDELAY			; SLOW DOWN SIMH FOR CLOCK TICKING TEST
@@ -101,7 +103,9 @@ SIMRTC_SETTIM:
 	LD	(HB_DSTBNK),A		; SET IT
 	LD	DE,SIMRTC_BUF		; DEST ADR
 	LD	BC,SIMRTC_BUFSIZ	; LENGTH
+	HB_IM1DI
 	CALL	HB_BNKCPY		; COPY THE CLOCK DATA
+	HB_IM1EI
 ;
 	LD	HL,SIMRTC_BUF		; POINT TO TEMP BUF
 	LD	A,SIMRTC_CLKWRITE	; WRITE CLOCK COMMAND